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Unusual fluorescence of o-phenylazonaphthol derivatives with aggregation-induced emission and their use in two-photon cell imaging

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Abstract

o-Phenylazonaphthol (o-PAN) derivatives including 6-bromo-1-((4-bromophenyl)diazenyl)naphthalen-2-ol (AN-Br-OH) and 1-phenylazo-2-naphthol (AN-OH, known as Sudan I (Color Index 12055)) were synthesized to investigate their fluorogenic behaviors, in which their aggregated-induced emission (AIE) is reported. The o-PANs showed a two-photon absorption. The protection of hydroxyl groups in o-PANs was used for fluorescence imaging of esterase-expressed HepG2 cells, which is potentially suitable for sensing and two-photon cell imaging applications.

Graphical abstract: Unusual fluorescence of o-phenylazonaphthol derivatives with aggregation-induced emission and their use in two-photon cell imaging

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Publication details

The article was received on 23 Apr 2019, accepted on 15 May 2019 and first published on 16 May 2019


Article type: Communication
DOI: 10.1039/C9CC03106E
Chem. Commun., 2019, Advance Article

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    Unusual fluorescence of o-phenylazonaphthol derivatives with aggregation-induced emission and their use in two-photon cell imaging

    Y. Yoon, S. Jo, S. J. Park, H. M. Kim, D. Kim and T. S. Lee, Chem. Commun., 2019, Advance Article , DOI: 10.1039/C9CC03106E

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